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Modified polystyrene: GP-525

Product characteristics: good flowability, excellent transparency of products, suitable for rapid injection molding Application overview: general-purpose injection molding product applications, such as toys, mouth cups and toothbrushes and other daily necessities, packaging and other fields

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Material Chemistry

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Product introduction

Modified polystyrene model: GP-525
Product description
Specification level	General purpose injection molding grade		Appearance color	Transparent granules
Product Features	Good flowability, excellent transparency of products, suitable for fast injection molding
Overview of uses	General purpose injection molding applications, such as toys, cups, toothbrushes and other daily necessities, packaging and other fields
Product technical data
Performance Items		Test conditions	Test Method	Typical values	Unit
Basic Performance	Melt flow rate	200℃/5kg	ASTM D1238	8-9	g/10min
Basic Performance	Density	23/23℃	ASTM D792	1.04	g/cm3
Thermal performance	Vicat softening point	B50/oil	ISO306	91-93	℃
Mechanical properties	Cantilever beam impact strength IZOD	23℃	ISO180	20-22	J/m
	Impact strength of simply supported beam	23℃	ISO 179	8	KJ/m2
	Tensile elongation at break EL%	23℃	ISO 527	2	%
	Tensile yield strength TSY	23℃	ISO 527	40-41	MPa
Other Performance	Residual monomer	--	GB/T16867-1997	〈500	ppm
Product usage instructions
Processing conditions	●Normal processing before 80 ℃ baking material about 2-3 hours
	●Recommended injection temperature is 190-220℃
	●Do not leave the hot melt resin in the extrusion barrel for a long time during the extrusion process